at a speed of approx. 60 mph
That is about 7.5 miles. It would take 25 minutes at an average speed of only 18 mph. But at 30 mph it would only be 15 minutes. It is not a long distance to go. It is also not short – too far to walk.
1 mile is a little over 1/2 KM. 15km is a little over 9 miles (9.3 miles). So quick time would be 9 minutes 22 seconds.
60 Mph is equal to 1 mile a minute
60mph at 9 miles is 9 minutes